This project is aimed at preparing a web-based and user-friendly multilingual encyclopedia of polymer terms and definitions that initially will be based on the “Glossary of Basic Terms in Polymer Science” (IUPAC Recommendations 1996). Once available on the IUPAC website, the user will be able to look up any term and its definition, as well as its translation into languages other than English. In the first instance, translations into Czech, French, Polish, and Portuguese will be incorporated. At a later stage, the more complex task of including languages based on character sets of non-Latin origin will be addressed. Since all the content will come exclusively from IUPAC documents that have already been published, it is expected that this electronic encyclopedia will be flexible enough to accommodate updating and the addition of further terms in a straightforward fashion.